Home / 22,683.36-31,303.01-12,611.48

Finding the Fourth Proportional to 22,683.36, 31,303.01 and 12,611.48

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Solution

The fourth proportional to 22,683.36, 31,303.01 and 12,611.48 is: 17,403.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,683.36 : 31,303.01 = 12,611.48 : x
  2. Step 2: Convert to fraction form
    22,683.36/31,303.01 = 12,611.48/x
  3. Step 3: Cross multiply
    22,683.36x = 31,303.01 × 12,611.48
  4. Step 4: Simplify right side
    22,683.36x = 394,777,221.50
  5. Step 5: Solve for x
    x = 394,777,221.50/22,683.36
  6. Step 6: Final answer
    x = 17,403.82

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.